<%@page import="ChartDirector.*, java.util.*" %>
<%
// The value to display on the meter
double value = 72.3;

// Create an AngularMeter object of size 250 x 250 pixels with transparent background
AngularMeter m = new AngularMeter(250, 250, Chart.Transparent);

// Center at (125, 125), scale radius = 111 pixels, scale angle -145 to +145 degrees
m.setMeter(125, 125, 111, -145, 145);

// Add a very light grey (0xeeeeee) circle with radius 123 pixels as background
m.addRing(0, 123, 0xeeeeee);
// Add a grey (0xcccccc) ring between radii 116 and 123 pixels as border
m.addRing(116, 123, 0xcccccc);

// Meter scale is 0 - 100, with major/minor/micro ticks every 10/5/1 units
m.setScale(0, 100, 10, 5, 1);

// Set the scale label style to 15pt Arial Italic. Set the major/minor/micro tick lengths to 12/9/6
// pixels pointing inwards, and their widths to 2/1/1 pixels.
m.setLabelStyle("Arial Italic", 15);
m.setTickLength(-12, -9, -6);
m.setLineWidth(0, 2, 1, 1);

// Add a smooth color scale to the meter
double[] smoothColorScale = {0, 0x3333ff, 25, 0x0088ff, 50, 0x00ff00, 75, 0xdddd00, 100, 0xff0000};
m.addColorScale(smoothColorScale);

// Add a text label centered at (125, 175) with 15pt Arial Italic font
m.addText(125, 175, "CPU", "Arial Italic", 15, Chart.TextColor, Chart.Center);

// Add a red (0xff0000) pointer at the specified value
m.addPointer2(value, 0xff0000);

// Output the chart
WebChartViewer viewer = new WebChartViewer(request, "chart1");
viewer.setChart(m, Chart.SVG);
%>
<!DOCTYPE html>
<html>
<head>
    <title>Round Meter</title>
    <!-- Include ChartDirector Javascript Library to support chart interactions -->
    <script type="text/javascript" src="cdjcv.js"></script>
</head>
<body style="margin:5px 0px 0px 5px">
    <div style="font:bold 18pt verdana;">
        Round Meter
    </div>
    <hr style="border:solid 1px #000080; background:#000080" />
    <div style="font:10pt verdana; margin-bottom:1.5em">
        <a href="viewsource.jsp?file=<%=request.getServletPath()%>">View Source Code</a>
    </div>
    <!-- ****** Here is the chart image ****** -->
    <%= viewer.renderHTML(response) %>
</body>
</html>
